Welcome to the first ECG quiz. Quiz complete. Results are being recorded. You have reached 0 of 0 point s0. A male 25 year-old student at Oxford University is seeing his primary care physician due to palpitations. The palpitations occurs intermittently, but they tend to intensify during stressful periods, such as exam periods. The patient experiences palpitations with sudden onset and occassionally the sensation that the heart skips a beat. Clinical examination reveals nothing suspicious and the patient has not experienced any symptoms during the last week.
Figure 1. A 70 years-old male was admitted to the ER emergency room due to chest pain and discomfort in his left arm. These symptoms debuted a few hours earlier. Physical examination did not reveal anything unusual. The PR interval is ms normal.
The QRS duration is 84 ms normal. The QTc corrected QT interval is ms normal and the electrical axis is 30 degrees normal. Note that the ECG paper speed is 50 mm per second and the leads are presented using the Cabrera formatwhich is the recommended format.Vanagon wheel torque
As always, you start by viewing lead II, where you note a positive P-wave. Because the heart rate is 69 per minute, and the P-wave is positive in lead II, you conclude that the rhythm is sinus rhythm, which is correct. You also note that the most positive QRS amplitude is noted in lead —aVR, which is consistent with an electrical axis of 30 degrees lead —aVR is located at 30 degrees in the coordinate system. Finally you also note that the QRS complex is positive in lead I and lead II, which means that the electrical axis is normal.
But the question is, why does this patient experience chest pain? Why does this year old male experience palpitations intermittently? This year old lady has an abnormal ECG. Two days earlier she experienced chest discomfort and shortness of breath. Define the abnormalitites on the ECG. A year old male is admitted to the emegency room ER due to palpitations and chest discomfort.
What is the correct diagnosis? No products in the cart. Sign in Sign up.Speak now. Rather, the moment you hear it, you find your voice. Not only can you tell that it records the electrical activity of the heart but you can explain how the heart works and how the electrical impulses it produces are detected by an ECG. You can also explain the various body parts where electrodes are attached to, the heart defects it can detect and its limitations.
You are aware that ten electrodes are required to produce 12 electrical views of the heart. Do you know what Bradycardia means? Can you define the term Tachycardia? Do you know that there can be delays in the transmission of electrical impulses within the system? Do you know what happens during an ECG? If you know the answers to such questions, take these quizzes to test your ECG knowledge. In an exam, there are certain terminologies you must be aware of so that you can get the meaning of the question or have a clue on what it answers can be.
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Trivia Questions Quiz. How much do you know about electrocardiogram? When someone has been having some problems with their heart, a physician may need to take some tests such as an ECG. The ECG records electrical signals in the heart by determining The Presence of Fibrillatory waves.
P waves of varying sizes and amplitude. ECG Quiz. This quiz is designed to test your knowledge of the human heart and how you know to administer an ECG. Circulatory System Quizzes. Blood Vessels Quizzes. Organ Quizzes.Welcome to our EKG practice quiz beta version. This quiz is our most challenging because of the number of answers that you must consider. Toggle Menu EKG. Practice EKG Interpretation. Complex: Bigeminy Premature Vent. Complex: Trigeminy Premature Vent. Complex: Quad.
Torsade de Pointes. Score 0 correct out of 0 attempts. Normal Sinus Rhythm. Sinus Arrhythmia. Sinus Bradycardia. Sinus Tachycardia. Sinus Arrest. Atrial Bigeminy.
Atrial Fibrillation. Atrial Flutter. Atrial Tachycardia. Multifocal Atrial Tachycardia. Atrial Trigeminy. Premature Atrial Complex. Wandering Atrial Pacemaker. Wolff-Parkinson-White Syndrome. Accelerated Junctional Rhythm. Junctional Bigeminy. Junctional Escape Rhythm. Junctional Tachycardia. Junctional Trigeminy.ECG Quiz 2
Premature Junctional Complex.Not everyone is equipped to use an EKG machine and deduce what the findings mean. The quiz below is designed to test out what you understood about the machine and how it is used in the field. Give it a try and note what you need to read up more on.
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One large square is equal to what amount of time and distance on EKG? Normal height and length of P wave? Regarding the QRS complex: In which lead s would you see a biphasic complex, reflection a "transition zone"? What part of the EKG is known as the "plateau phase", and represents the initial part of ventricular repolarization? What segment, if elevated or depressed, reveals a sign of serious pathology? What portion of the EKG represents the duration of ventricular systole?
This corrected QT interval is also abbreviated as QTc. What does the Sympathetic system do to the heart, and what receptors are associated with it? What does the Parasympathetic system do to the heart, and what receptors are associated with it? Tilt test that is positive confirms dx. What is the best match for the following definition: a barely detectable rate change in sinus pacing related to inspiration and expiration?
What is another name for an automaticity focus that escapes overdrive suppression to pace at its inherent rate? What is another name for an automaticity focus that transiently escapes overdrive suppression to emit one beat atrial, junctional, or ventricular? Use full answer, or standard abbreviation.
Match the definition below with its appropriate vocab term: "A continuous reentry circuit in AV node or lower atria that rapidly paces atria and ventricles can only be eliminated by catheter ablation ". Peculiar down sloping shape of ST seen in leads V1, V2 is pathognomonic for what disease. If you see a gradual downward curve of ST segmentwhat disease would you think of?
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What is the normal duration of a QRS complex? Question 1 Explanation:. In most healthy individuals, you would expect QRS complexes to be around 0.
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If a QRS complex lasts longer it is described as a "wide QRS" and indicates inefficient conduction ventricular conduction e.ECG Quiz. Available online at www. Download PDF. Recommend Documents. ECG Quiz: an alternative explanation.Dualismo platonico cuerpo y alma
ECG quiz: Murphy's law strikes again! After intubation, he was admitted to the intensive care unit for further management. His admitting 12 lead electrocardiogram Fig. What is your diagnosis?
Initial lead electrocardiogram with standard lead placement. Color illustration online. The ECG suggests: 1. Atrial fibrillation 2. Irregular junctional rhythm with right bundle-branch block 3. Sinus arrhythmia with first-degree atrioventricular block 4. Kohli et al. Atrial fibrillation The presence of an irregular rhythm could suggest a diagnosis of atrial fibrillation. However, there are p waves present after some, but not all, QRS complexes in Fig. In atrial fibrillation, there is a lack of organized atrial activity manifested by a lack of defined p waves on electrocardiogram.
Therefore, the presence of inverted p waves in the electrocardiogram in Fig. Initial lead electrocardiogram with arrows depicting retrograde p waves. Irregular junctional rhythm with right bundle branch block There is an irregular junctional rhythm seen in the electrocardiogram shown in Fig. The QRS duration is narrow 0. Additionally, there are p waves present after some QRS complexes. Notably, the more rapid junctional rhythm is associated with retrograde atrial activation whereas the slower junctional rhythm is not, possibly due to the focus of origin of the junctional rhythm.
Narrow QRS complex. Therefore, although an irregular junctional rhythm is present, a right bundle branch block is not present, excluding this answer. Sinus arrhythmia with first-degree atrioventricular block The rhythm in the electrocardiogram in Fig. This deflection thus represents electrical activation due to a retrograde p wave following a narrow QRS complex Figs. This p wave morphology differs from the expected biphasic sinus p wave morphology in precordial lead V1 because the atria depolarize virtually simultaneously due to retrograde excitation.
After a few days of supportive care in the ICU, the patient's seizures resolved and he was extubated.For each of the questions below a short clinical scenario is given followed by the lead ECG. A 35 year old man presents with palpitations. He has been drinking heavily with friends over the weekend. This is his ECG. Present your findings and give a diagnosis.
Question 2 A 45 year old business man presents with a feeling that his heart is racing. He also has some shortness of breath. This is atrial flutter. Beats are transmitted with aor block, leading to ventricular rates ofand 75 BPM respectively. A 75 year old man with a history of COPD presents with fever and increased sputum production. An ECG is taken in the emergency department. What does it show?
This is polymorphic atrial tachycardia. It occurs in respiratory disease and reflects an aberrant foci of atrial excitation. The morphology of the p-waves is therefore variable but all p-waves are transmitted via the bundle of His and therefore the QRS complexes are all the same. Question 4 A 65 year old man is found unresponsive. He has no central pulse and is making no respiratory effort. Surprisingly someone has done an ECG.
What would you do? This is pulseless electrical activity PEA. It is the most extreme example of why you should look at the patient in conjunction with the ECG! However, the ECG may help you ascertain the underlying pathology. This can include pericardial fluid or pneumothorax. This is worth thinking about as tamponade and tension pneumothorax are both reversible causes of PEA.Getobject vba outlook
Question 5 A fit and well 31 year old man presents for a routine insurance medical. Present your findings and give the diagnosis. This is a normal ECG. There are many variants of normal and it is worth looking at as many ECGs as possible to get exposed to the common variants.
Question 6 A 65 year old man with a history of ischaemic heart disease is found unresponsive. What is the diagnosis and what will you do? This is ventricular tachycardia VT and in this case the patient is in cardiac arrest as they have no central pulse.
ACLS ECG Rhythm Strips Pretest Question Answers (Quiz) PDF
He should be treated as per ALS guidelines with chest compressions beginning immediately. This is a shockable rhythm and should be treated using the ALS algorithm with DC cardioversion and adrenaline. If the patient was conscious the ALS algorithm would not be necessary and management depends on symptoms.
If acutely symptomatic urgent DC cardioversion is indicated.
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